Let’s learn about Ringfeder Shrink Discs RfN 4022 with Dai Hong Phat, through the following article!
1. About Dai Hong Phat Corp – Ringfeder Germany
– Dai Hong Phat Corp is the official authorized representative of Ringfeder Germany in Vietnam (Ringfeder Vietnam), Laos, Cambodia, Philippines and Bangladesh. We provide genuine transmission shaft coupling solutions that meet international standards, helping to optimize the performance and durability of machinery systems.
– Ringfeder Germany – the world’s leading brand in transmission and shock absorber solutions, with over 100 years of history of creation and innovation. Founded in 1922, with the first product “friction springs“, Ringfeder has become a global symbol of prestige for quality and reliability.
– Ringfeder Shrink Discs RfN 4022 products supplied by Dai Hong Phat are 100% genuine imported, with full CO/CQ, meeting international quality standards.
Certificate of Dai Hong Phat Corp is an authorized representative of Ringfeder Germany in Vietnam
See more: Other Ringfeder Shrink Discs
2. Characteristics of Ringfeder Shrink Discs RfN 4022
– Manufactured brand: Ringfeder/Germany.
– Clamping length: 176mm.
– Maximum torque T: 426,000 Nm.
– The shaft diameter and the smooth diameter with surface finish and tolerance are easily achievable.
– Easy adjustment, installation, and disassembly with minimal susceptibility to dirt.
– Includes one or two thrust rings with tapered bores and an inner ring in a conical shape.
– Ringfeder Shrink Discs RfN 4022 By tightening the locking screws, the thrust rings are pulled together to compress the inner ring and exert pressure on the outer circumference to clamp it onto the shaft.
– Positioned around the center, with only one transmission interface, the shrink disc method provides distinct advantages such as providing concentric connection capability and suitable balance for high-speed applications. Shrink fits require complex calculations, close machining tolerances, and good surface finishes, and they also require significant effort during installation and removal of the equipment.
View more product: Ringfeder Shrink Discs RfN 4023
| FOR ANY INQUIRIES OR QUOTATION REQUESTS, PLEASE CONTACT: SALES DEPARTMENT HOTLINE: +84906 955 057 – EMAIL: INFO@DHP-CORP.COM.VN |
3. Application of Ringfeder Shrink Discs RfN 4022
The Ringfeder Shrink Disc RfN 4022 minimize surface tension in connected components. They are primarily used in cases of extremely thin hollow shafts or hollow shafts with limited low-flow materials such as gray cast iron or aluminum, such as aluminum conveyor pulleys or thin lever arms.
Ringfeder shrink discs are an excellent solution in today’s industrial plants. They are durable, with long lifespans, helping to save costs on warranty and maintenance. The Ringfeder RfN 4022 is commonly used in:
– Sugar mills.
– Wood and paper manufacturing plants.
– Food processing plants.
– Mining industry.
– Cement plants.
– Power plants and hydroelectric plants, etc.
4. Technical of Ringfeder Shrink Discs RfN 4022
| Catalogue Ringfeder RfN 4022 |
Installation Ringfeder RfN 4022 |
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| Model | Shrink discs dimensions [mm] | TA [Nm] | T [Nm] | Gw [kg] | |||
| d | D | d1 | L2 | ||||
| 12 SD-x | 11 | 35.5 | 24 | 10 | 12 | 50 | 0.1 |
| 12 | 50 | ||||||
| — | — | ||||||
| 14 SD-x | 13 | 38 | 26 | 10 | 12 | 70 | 0.1 |
| 14 | 70 | ||||||
| — | — | ||||||
| 16 SD-x | 15 | 41 | 28 | 14 | 12 | 80 | 0.1 |
| 16 | 80 | ||||||
| — | — | ||||||
| 18 SD-x | 17 | 44 | 30 | 14 | 12 | 130 | 0.1 |
| 18 | 130 | ||||||
| — | — | ||||||
| 20 SD-x | 19 | 47 | 32 | 15 | 12 | 140 | 0.2 |
| 20 | 140 | ||||||
| — | — | ||||||
| 25 SD-x | 22 | 50 | 36 | 19 | 12 | 200 | 0.2 |
| 24 | 200 | ||||||
| 25 | 200 | ||||||
| 30 SD-x | 26 | 60 | 44 | 19 | 12 | 300 | 0.3 |
| 28 | 300 | ||||||
| 30 | 300 | ||||||
| 35 SD-x | 32 | 72 | 52 | 21 | 30 | 450 | 0.5 |
| 35 | 500 | ||||||
| 36 | 500 | ||||||
| 40 SD-x | 38 | 80 | 61 | 23 | 30 | 720 | 0.6 |
| 40 | 750 | ||||||
| 44 | 750 | ||||||
| 50 SD-x | 42 | 90 | 68 | 25 | 30 | 1,000 | 0.9 |
| 45 | 1,300 | ||||||
| 50 | 1,300 | ||||||
| 55 SD-x | 45 | 100 | 72 | 27 | 30 | 1,600 | 1.2 |
| 52 | 1,600 | ||||||
| 55 | 1,600 | ||||||
| 60 SD-x | 50 | 110 | 80 | 27 | 30 | 2,000 | 1.4 |
| 60 | 2,000 | ||||||
| 62 | 2,000 | ||||||
| 70 SD-x | 60 | 115 | 86 | 27 | 30 | 2,100 | 1.4 |
| 65 | 2,100 | ||||||
| 70 | 2,100 | ||||||
| 80 SD-x | 70 | 138 | 100 | 29 | 59 | 4,000 | 2.2 |
| 75 | 4,000 | ||||||
| 80 | 4,000 | ||||||
| 90 SD-x | 80 | 155 | 114 | 35 | 59 | 5,700 | 3.4 |
| 85 | 5,700 | ||||||
| 90 | 5,700 | ||||||
| 100 SD-x | 90 | 170 | 124 | 40 | 100 | 8,400 | 5 |
| 95 | 8,400 | ||||||
| 100 | 8,400 | ||||||
| 110 SD-x | 100 | 185 | 136 | 47 | 100 | 9,200 | 6 |
| 105 | 9,200 | ||||||
| 110 | 9,200 | ||||||
| 125 SD-x | 115 | 215 | 160 | 50 | 250 | 20,000 | 9 |
| 120 | 21,000 | ||||||
| 125 | 21,000 | ||||||
| 140 SD-x | 130 | 230 | 172 | 54 | 250 | 26,000 | 11 |
| 135 | 26,000 | ||||||
| 140 | 26,000 | ||||||
| 155 SD-x | 150 | 263 | 192 | 58 | 250 | 31,000 | 15 |
| 155 | 31,000 | ||||||
| 160 | 31,000 | ||||||
| 170 SD-x | 160 | 290 | 204 | 62 | 250 | 36,000 | 21 |
| 165 | 36,000 | ||||||
| 170 | 36,000 | ||||||
| 180 SD-x | 170 | 300 | 218 | 62 | 250 | 43,000 | 22 |
| 175 | 43,000 | ||||||
| 180 | 43,000 | ||||||
| 190 SD-x | 180 | 320 | 232 | 79 | 490 | 60,000 | 32 |
| 185 | 60,000 | ||||||
| 190 | 60,000 | ||||||
| 200 SD-x | 190 | 340 | 246 | 79 | 490 | 67,000 | 37 |
| 195 | 67,000 | ||||||
| 200 | 67,000 | ||||||
| 220 SD-x | 200 | 370 | 270 | 98 | 850 | 93,000 | 53 |
| 210 | 93,000 | ||||||
| 220 | 93,000 | ||||||
| 240 SD-x | 220 | 405 | 296 | 101 | 850 | 117,000 | 66 |
| 230 | 117,000 | ||||||
| 240 | 117,000 | ||||||
| 260 SD-x | 240 | 430 | 318 | 112 | 850 | 126,000 | 80 |
| 250 | 126,000 | ||||||
| 260 | 126,000 | ||||||
| 280 SD-x | 260 | 460 | 340 | 126 | 850 | 151,000 | 103 |
| 270 | 151,000 | ||||||
| 280 | 151,000 | ||||||
| 300 SD-x | 280 | 485 | 360 | 130 | 850 | 178,000 | 116 |
| 290 | 178,000 | ||||||
| 300 | 178,000 | ||||||
| 320 SD-x | 280 | 520 | 380 | 130 | 1,250 | 248,000 | 134 |
| 300 | 248,000 | ||||||
| 320 | 248,000 | ||||||
| 340 SD-x | 300 | 570 | 402 | 144 | 1,250 | 275,000 | 185 |
| 320 | 275,000 | ||||||
| 340 | 275,000 | ||||||
| 360 SD-x | 320 | 590 | 424 | 144 | 1,250 | 290,000 | 172 |
| 340 | 290,000 | ||||||
| 360 | 290,000 | ||||||
| 390 SD-x | 350 | 630 | 458 | 148 | 1,700 | 363,000 | 222 |
| 370 | 363,000 | ||||||
| 390 | 363,000 | ||||||
| 420 SD-x | 380 | 650 | 490 | 168 | 1,700 | 407,000 | 253 |
| 400 | 407,000 | ||||||
| 420 | 407,000 | ||||||
| 440 SD-x | 400 | 670 | 512 | 176 | 1,700 | 426,000 | 275 |
| 420 | 426,000 | ||||||
| 440 | 426,000 | ||||||
5. Why choose Dai Hong Phat Corp?
100% genuine products imported directly from Ringfeder Germany.
Protect customers from counterfeit goods and always provide full CO/CQ documents.
Goods in stock, fast delivery nationwide 24/7.
Free technical consultation and support for drawings, catalogs.
Refined processing workshop to meet individual requirements.
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With more than 15 years of experience, Dai Hong Phat Transmission Shaft Coupling is proud to be a trusted partner of hundreds of domestic and foreign enterprises.
Let us accompany your sustainable development!
DAI HONG PHAT TECHNICAL PRODUCTION TRADING SERVICES CO., LTD
– Ho Chi Minh City Office: 22 Street 11, Khang Dien Residential Area, Duong Dinh Hoi Street, Phuoc Long Ward, City. HCM
– Hanoi Office: No. 14-15A, 7th Floor, Charmvit Building, No. 117 Tran Duy Hung, Thanh Xuan Ward, Hanoi City.
– Tel HCM: +84.28.22536631 – 22536632 – 66818587 | | Fax: 028.22536632
– Hotline: 0906.955.057 | – Email: info@dhp-corp.com.vn
– Website: https://en.daihongphat.asia/ – https://khopnoitruc.com/ – https://ringfeder.com.vn/
